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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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Old 06-21-2011, 05:11 PM   #1
TitaniumTT
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Ditch the whinebro and put a denso in. Walbro's have a habit of of just dying. Running them dry won't help thier lifespan either.

Something else to consider is - was there any boost present when the tank ran dry? That could easily kill an engine.

Third, I have to disagree with the crude in the bottom of the tank theory. Crud is going to sink, so regardless if the tank is full or empty, it's always going to be at the bottom of the tank. Also, any larger chunks wouln't be able to get through the pre-filter anyway
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Old 06-21-2011, 08:13 PM   #2
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Quote:
Originally Posted by TitaniumTT View Post
Third, I have to disagree with the crude in the bottom of the tank theory. Crud is going to sink, so regardless if the tank is full or empty, it's always going to be at the bottom of the tank. Also, any larger chunks wouln't be able to get through the pre-filter anyway
True that the heavier, larger particle size crud will sink to the bottom and won't get past the pump's prefilter. But since the pickup is located at the lowest point in the tank, why would any rust particulates suspended in the fuel - the small stuff that can pass the pre-filter easily and give the fuel a rusty color - not make it to the main filter?
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